Silence on set!

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Across
  1. 2. created for radio
  2. 5. equipment
  3. 6. on tracks
  4. 7. builder
  5. 8. opening
  6. 12. changes everything
  7. 13. you need more than one
  8. 14. choices in camera
  9. 17. does the fittings
  10. 19. under the camera
  11. 21. finds the right spots
  12. 22. up and down
  13. 24. out of focus
  14. 25. true to mouth
  15. 27. assembling
  16. 29. before the action starts
Down
  1. 1. what it's all about
  2. 2. very wide
  3. 3. says it all
  4. 4. in charge of set
  5. 9. for darkness
  6. 10. in charge of gadgets and colours
  7. 11. spreader of illumination
  8. 15. presented by 1st AD
  9. 16. hears concrete
  10. 18. imaging plane
  11. 20. sound transition
  12. 21. has to be respected
  13. 23. from black to white
  14. 24. over subjects
  15. 26. people
  16. 28. Climax